Reelfungi t1_isvs290 wrote on October 19, 2022 at 1:34 AM Reply to 6 inch furnace vent. Can I use two elbows in place of a real cap? by Scozz554 You can’t put a gooseneck on a flue like that. You need vertical flow to maintain draft. Just go to a plumbing supply house and ask for a rain cap. It shouldn’t be that expensive Permalink 1
Reelfungi t1_isvs290 wrote
Reply to 6 inch furnace vent. Can I use two elbows in place of a real cap? by Scozz554
You can’t put a gooseneck on a flue like that. You need vertical flow to maintain draft. Just go to a plumbing supply house and ask for a rain cap. It shouldn’t be that expensive